FDIC-insured bank
Security State Bank — Basin, WY
Bank headquartered in Basin, Wyoming, part of FINANCIAL SECURITY CORP.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 201 S 4th St Basin, WY 82410 |
| County | Big Horn |
| Website | www.ssbwyo.bank |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 12592 |
| Federal Reserve RSSD ID | 955959 |
| Status | Active |
| Charter class | SM (STATE) |
| Holding company | FINANCIAL SECURITY CORP |
| Domestic offices | 5 |
| Financials as of | June 30, 2026 |
How to find your Security State Bank routing number
FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.ssbwyo.bank.
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Offices nearest to headquarters
| Security State Bank main office Basin, WY |
201 S 4th St, 82410 |
| Administrative/Executive Branch Basin, WY |
201 S 4th St, 82410 |
| Worland Branch Worland, WY |
320 N 10th St, 82401 |
| Sheridan Branch Sheridan, WY |
2070 Coffeen Ave, 82801 |
| Gillette Branch Gillette, WY |
2124 S Douglas Hwy, 82718 |
Where Security State Bank has offices
Cities with the most Security State Bank offices
Largest banks headquartered elsewhere in Wyoming
| Pinnacle Bank - Wyoming Cody | $1.30 billion |
| Hilltop National Bank Casper | $1.14 billion |
| The Converse County Bank Douglas | $1.09 billion |
| First Northern Bank of Wyoming Buffalo | $982.64 million |
| Platte Valley Bank Torrington | $809.18 million |
| First National Bank of Gillette Gillette | $651.93 million |
| First Federal Bank & Trust Sheridan | $621.05 million |
| Jonah Bank of Wyoming Casper | $562.80 million |
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